M&T Bank traces its origins to the founding of Manufacturers and Traders Bank in Buffalo, New York. As a result of mergers, acquisitions and name changes, M&T Bank Corporation's principal bank is now known as Manufacturers and Traders Trust Company, or M&T Bank. M&T Bank reorganized under a bank holding company in 1969 called First Empire State Corporation. The name was changed in 1998 to M&T Bank Corporation, whose common stock is listed on the New York Stock Exchange and trades under the symbol "MTB."

M&T Bank Corporation had $123 billion in assets as of December 31, 2015, and is one of the 20 largest commercial bank holding companies in the U.S. M&T Bank has over 800 domestic branches & over 1,500 ATM's across New York, Maryland, New Jersey, Pennsylvania, Delaware, Connecticut, Virginia, West Virginia, and Washington D.C.